GIMP# 0.11 activities

After a well deserved holiday I’ve picked up GIMP# development again. As you might know our release schedule is driven by the percentage of Photoshop actions that can be played. GIMP# 0.10 featured 30 % and now we are heading for 40 %. I don’t expect however that this is going to happen before the end of October, especially since I will be spending most of my time the next two weeks at the IFA in Berlin.

So, what have we accomplished so far:

Max has added support for Java (using IKVM). Maybe it’s still not to late to rename GIMP# to GIMP.NET😉

French and Hebrew translations were added

Oded Coster has joined our team. He started with implementing a PictureFrame plug-in. More details on this later.

I’m improving the support for Photoshop actions. The version that’s in CVS right now can play around 35 %.

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How close are are the renderings to those of photoshop? Are they pixel-for-pixel the same or do they just have sort of the same feel (graphic artists tend to be rather picky🙂 )
(sorry if this question is a dupe)

This question is somewhat difficult to answer other than `it depends’. Actions that map very well to GIMP functions/plug-ins will be close to 100 % accurate. For example setting the Brightness/Contrast or inverting an image will give the same results as in Photoshop. I also have written a few new plug-ins (for example the Fragment plug-in) for which it was easy to deduce the exact algorithm that was used.

There are a few plug-ins that are almost equivalent but not quite. An example is the Gaussian Blur filter. Both the Photoshop and GIMP version use a radius as parameter, but using the same value for radius gives completely different results. So I had to map one range of values to another range of values. This will never be 100 % accurate, but might be quite close.

And finally there’s a whole set of filters that don’t have a direct GIMP equivalent. For example the Crystallize filter could be simulated by the GIMP’s Mosaic filter or maybe GIMPressionist. However the results will probably differ considerably, although the `feel’ might be the same. This means that those action files might still be useful in a GIMP context, but you will have to accept that the results are different from the Photoshop original. For some of these filters I plan to write GIMP equivalents as soon as I figured out what the algorithm is.